rsync and
backup files
rsync -r -t
-v --progress -o -g -p -x -u -l /fromdir/ /backupdir/
-r copies
also all subdirectories within main directory
-t
preserves modification times
-v verbose
mode, shows more information
--progress
shows progress during transfer
--delete
deletes files in destination which are not present in the source
-c compares
files contents by checksum
-l copies
symbolic links
-z
compresses files for faster transfer
-x don’t
cross filesystem boundaries
-o
preserves owner
-g
preserves group
-p
preserves permissions
-u update
